Portion of a vented contrast media reservoir



FIG. 1 is a perspective view of a portion of a vented contrast mediareservoir, showing my new design;

FIG. 2 is a front elevational view thereof, the rear elevational viewbeing a mirror image thereof;

FIG. 3 is a left side elevational view thereof;

FIG. 4 is a right side elevational view thereof;

FIG. 5 is a top plan view thereof; and,

FIG. 6 is a bottom view thereof.

The structure shown in phantom is for illustrative purposes only andforms no part of the claimed design.

The ornamental design for a portion of a vented contrast mediareservoir, as shown and described.